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function waitForRender() {
return new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve)));
}
function waitForTick() {
return new Promise(resolve => step_timeout(resolve, 0));
}
async function clickOn(element) {
await waitForRender();
let rect = element.getBoundingClientRect();
let actions = new test_driver.Actions();
// FIXME: Switch to pointerMove(0, 0, {origin: element}) once
await actions
.pointerMove(Math.round(rect.x + rect.width / 2), Math.round(rect.y + rect.height / 2), {})
.pointerDown({button: actions.ButtonType.LEFT})
.pointerUp({button: actions.ButtonType.LEFT})
.send();
await waitForRender();
}
async function sendTab() {
await waitForRender();
const kTab = '\uE004';
await test_driver.send_keys(document.activeElement || document.documentElement, kTab);
await waitForRender();
}
async function sendShiftTab() {
await waitForRender();
const kShift = '\uE008';
const kTab = '\uE004';
await new test_driver.Actions()
.keyDown(kShift)
.keyDown(kTab)
.keyUp(kTab)
.keyUp(kShift)
.send();
await waitForRender();
}
async function sendEscape() {
await waitForRender();
await test_driver.send_keys(document.activeElement || document.documentElement,'\uE00C'); // Escape
await waitForRender();
}
async function sendEnter() {
await waitForRender();
await test_driver.send_keys(document.activeElement || document.documentElement,'\uE007'); // Enter
await waitForRender();
}
function isElementVisible(el) {
return !!(el.offsetWidth || el.offsetHeight || el.getClientRects().length);
}
async function finishAnimations(popover) {
popover.getAnimations({subtree: true}).forEach(animation => animation.finish());
await waitForRender();
}
// This is a "polyfill" of sorts for the `defaultopen` attribute.
// It can be called before window.load is complete, and it will
// show defaultopen popovers according to the rules previously part
// of the popover API: any popover=manual popover can be shown this
// way, and only the first popover=auto popover.
function showDefaultopenPopoversOnLoad() {
function show() {
const popovers = Array.from(document.querySelectorAll('[popover][defaultopen]'));
popovers.forEach((p) => {
// The showPopover calls below aren't guarded by a check on the popover
// open/closed status. If they throw exceptions, this function was
// probably called at a bad time. However, a check is made for open
// <dialog open> elements.
if (p instanceof HTMLDialogElement && p.hasAttribute('open'))
return;
switch (p.popover) {
case 'auto':
if (!document.querySelector('[popover]:popover-open'))
p.showPopover();
return;
case 'manual':
p.showPopover();
return;
default:
assert_unreached(`Unknown popover type ${p.popover}`);
}
});
}
if (document.readyState === 'complete') {
show();
} else {
window.addEventListener('load',show,{once:true});
}
}
function assertPopoverVisibility(popover, isPopover, expectedVisibility, message) {
const isVisible = isElementVisible(popover);
assert_equals(isVisible, expectedVisibility,`${message}: Expected this element to be ${expectedVisibility ? "visible" : "not visible"}`);
// Check other things related to being visible or not:
if (isVisible) {
assert_not_equals(window.getComputedStyle(popover).display,'none');
assert_equals(popover.matches(':popover-open'),isPopover,`${message}: Visible popovers should match :popover-open`);
} else {
assert_equals(window.getComputedStyle(popover).display,'none',`${message}: Non-showing popovers should have display:none`);
assert_false(popover.matches(':popover-open'),`${message}: Non-showing popovers should *not* match :popover-open`);
}
}
function assertIsFunctionalPopover(popover, checkVisibility) {
assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/false, 'A popover should start out hidden');
popover.showPopover();
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/true, 'After showPopover(), a popover should be visible');
popover.showPopover(); // Calling showPopover on a showing popover should not throw.
popover.hidePopover();
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/false, 'After hidePopover(), a popover should be hidden');
popover.hidePopover(); // Calling hidePopover on a hidden popover should not throw.
popover.togglePopover();
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/true, 'After togglePopover() on hidden popover, it should be visible');
popover.togglePopover();
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/false, 'After togglePopover() on visible popover, it should be hidden');
popover.togglePopover(/*force=*/true);
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/true, 'After togglePopover(true) on hidden popover, it should be visible');
popover.togglePopover(/*force=*/true);
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/true, 'After togglePopover(true) on visible popover, it should be visible');
popover.togglePopover(/*force=*/false);
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/false, 'After togglePopover(false) on visible popover, it should be hidden');
popover.togglePopover(/*force=*/false);
if (checkVisibility) assertPopoverVisibility(popover, /*isPopover*/true, /*expectedVisibility*/false, 'After togglePopover(false) on hidden popover, it should be hidden');
const parent = popover.parentElement;
popover.remove();
assert_throws_dom("InvalidStateError",() => popover.showPopover(),'Calling showPopover on a disconnected popover should throw InvalidStateError');
popover.hidePopover(); // Calling hidePopover on a disconnected popover should not throw.
assert_throws_dom("InvalidStateError",() => popover.togglePopover(),'Calling hidePopover on a disconnected popover should throw InvalidStateError');
parent.appendChild(popover);
}
function assertNotAPopover(nonPopover) {
// If the non-popover element nonetheless has a 'popover' attribute, it should
// be invisible. Otherwise, it should be visible.
const expectVisible = !nonPopover.hasAttribute('popover');
assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'A non-popover should start out visible');
assert_throws_dom("NotSupportedError",() => nonPopover.showPopover(),'Calling showPopover on a non-popover should throw NotSupported');
assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling showPopover on a non-popover should leave it visible');
assert_throws_dom("NotSupportedError",() => nonPopover.hidePopover(),'Calling hidePopover on a non-popover should throw NotSupported');
assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling hidePopover on a non-popover should leave it visible');
assert_throws_dom("NotSupportedError",() => nonPopover.togglePopover(),'Calling togglePopover on a non-popover should throw NotSupported');
assertPopoverVisibility(nonPopover, /*isPopover*/false, expectVisible, 'Calling togglePopover on a non-popover should leave it visible');
}
async function verifyFocusOrder(order,description) {
order[0].focus();
for(let i=0;i<order.length;++i) {
const control = order[i];
assert_equals(document.activeElement,control,`${description}: Step ${i+1}`);
await sendTab();
}
for(let i=order.length-1;i>=0;--i) {
const control = order[i];
await sendShiftTab();
assert_equals(document.activeElement,control,`${description}: Step ${i+1} (backwards)`);
}
}